Manual Flamcomat MP G4
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25
ENG
6.3 Top-up connection
The top-up connection should be connected to the control unit. Assured top-up requires an average set feed
pressure of approx. 4-6 bar (max. 8 bar). High feed pressures may require devices to prevent water hammer
(pressure reducing valve).
“Appendix 1.” on page 40 shows the installation diagram and example installation.
Please observe the following specifications before filling and commissioning the pressure-expansion automat:
• Install the feed to the top-up hose with shut-o valve (as delivered).
• Avoid any tensile loads on the hose, bending radii of less than 50 mm and contractions.
• If the top-up feed is connected to the water main, a backflow preventer with filter must be connected in series
in compliance with EN 806-4/EN 1717. Install this accessory horizontally and fit a shut-o valve before this
assembly (note: clean filter regularly and change filters as and when required).
Caution: Connect the shut-o valve to the top-up intake.
6.4 Drain connection
To safely route the volume flows to be discharged at the safety valve (Pos. 3.16), backflow preventer (accessory,
top-up) and the atmospheric pressure compensation connection (Pos.1.3) a drain is required in the vicinity of the
Flamcomat equipment.
• Install a drain funnel and, if necessary, a drain pipe for the backflow preventer.
• When a discharge pipe is connected to the safety valve, the connection must be kept open to atmospheric
pressure. An atmospheric funnel from the Flamco product catalogue can be fitted for this purpose.
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